Radhaus Coolant Vent Line Bypass Kit (Cayenne S/ GTS V6 958.2)

Modern V6 Porsche’s have been plagued by a coolant leak issue. This kit completely replaces OEM Part 946-106-026-060. The original part is entirely plastic, which will inevitably become brittle and damaged with age and heat cycles from the engine. This can cause a catastrophic leak. Lucky owners will smell coolant and catch this leak before the line completely ruptures. Others have been stranded roadside with a completely empty coolant reservoir and urgent warnings from the car to cease driving to prevent engine damage.

If your vehicle has ~60k miles or more, this may be considered an item for preventative maintenance. If you have a coolant leak, this may be the first part to check.

This important line runs from two accessible fittings on the front of the engine, then underneath the intake manifold to the back of the engine. It then ultimately finds it's way to its appropriate fitting on the coolant reservoir.

 RADHAUS Coolant Vent Line Bypass kits replace the unreliable plastic components of the OEM line with parts that are designed to last longer than the life of your vehicle itself. In addition, this kit re-routes the line across the front of the engine, and attaches to the OEM coolant bleeder valve, in place of the original line. Best of all, there is no need to remove the intake manifold.  While space is still limited, installation is now much faster and less complicated - saving significant time and labor costs. Most customers have reported DIY install times of 1-2 hours, typically saving hundreds of dollars in labor charges.

• Custom CNC-machined aluminum fittings with black anodized finish
  
• Aluminum T-fittings
• High-temperature silicone coolant tubing
• OEM-style quick-connect fitting for the coolant reservoir

Install Guide